What should China Unicom do if it needs a service password to send short messages?

Mobile phone service password reset method:

Please poke /mmcz in the first way, it is more convenient to move your fingers!

Method 2: You can directly edit "MMCZ#6 new password #6 last 6 digits of ID number" and send it to 100 10 for password reset.

The third way is to call 100 10 customer service hotline to reset. The key path is:10010 > 3 >1>1.

Tips: Take Jiangsu Province as an example. There may be differences in policies among provinces and cities, and the attribution policy shall prevail.